'    Copyright 2008 Jan Molnar <jan.molnar@abds.de>
'
'    This file is part of JCQ.

'    JCQ is free software: you can redistribute it and/or modify
'    it under the terms of the GNU General Public License as published by
'    the Free Software Foundation, either version 2 of the License, or
'    (at your option) any later version.

'    JCQ is distributed in the hope that it will be useful,
'    but WITHOUT ANY WARRANTY; without even the implied warranty of
'    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
'    GNU General Public License for more details.

'    You should have received a copy of the GNU General Public License
'    along with JCQ. If not, see <http://www.gnu.org/licenses/>.

Public MustInherit Class IdentityProvider
    Implements IIdentityProvider

    Protected _Identities As Core.NotifyingCollection(Of IIdentity)

    Public Sub New()
        _Identities = New Core.NotifyingCollection(Of IIdentity)
    End Sub

    Public Overridable Sub CreateIdentity(ByVal identity As IIdentity) Implements IIdentityProvider.CreateIdentity
        _Identities.Add(identity)
    End Sub

    Public Overridable Function GetIdentityByIdentifier(ByVal identifier As String) As IIdentity Implements IIdentityProvider.GetIdentityByIdentifier
        Return (From id In _Identities Where id.Identifier = identifier).FirstOrDefault
    End Function

    Public Overridable Sub DeleteIdentity(ByVal identity As IIdentity) Implements IIdentityProvider.DeleteIdentity
        _Identities.Remove(identity)
    End Sub

    Public ReadOnly Property Identities() As Core.NotifyingCollection(Of IIdentity) Implements IIdentityProvider.Identities
        Get
            Return _Identities
        End Get
    End Property
End Class